%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-2-22 on page II-485 in "biblatex's approach to number-only references".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.0pt}

\setlength\parindent{0pt}
%  Use biber program

%StartShownPreambleCommands
\usepackage[minnames=2,maxnames=2]{biblatex}
\addbibresource{tlc.bib}
%StopShownPreambleCommands

\begin{document}
\citeauthor{LGC97}  \\
\citeauthor*{LGC97} \\
\AtNextCite{\setcounter{maxnames}{99}}%
\citeauthor{LGC97}  \\
\citeauthor{LGC97}  % maxnames automatically reset
\end{document}
